1. First of all, after graduating from the University of Sydney, you need to complete the requirements of postgraduate courses. Before studying for a doctorate, students need to complete the requirements of postgraduate courses. These requirements include certain credits of course study and training in research methods.

2. Secondly, choose the tutor and research direction. Students need to choose a tutor and determine the research direction before studying for a doctorate. The tutor will be responsible for guiding the students' research work and reviewing the papers completed by the students.

3. Finally, students need to finish their papers within the specified time and submit them to the tutor for review. The paper should include research background, research methods, research results and conclusions.